e vs DateSmith PRO

This calculator can be used not only in scientific notation(e.g. 1E-6) but also using engineering multipliers(e.g. p,n,u,m,k,M). Features - Calculations History and reuse it - Calculation history is automatically saved when exit app,can also scroll. - Can use engineering multipliers,6 Special buttons - Four user-defined constant - Four interactive variable - Three buttons can be insert formula - interactive variable can have alias - Functions: √,log,ln,sin,cos,tan,sinh,cosh,tanh,asin,acos,atan,asinh,acosh,atanh,e^x - Built-in Constants:π,bk,q,e0 and Operator　^ - Autocomplete parentheses - ON/OFF function key click sound - Mail transmission function of the calculation history - Built-in Online Help Viewer - Universal App There are also "e-calcFree" feature limited edition.

DateSmith PRO: YOUR LOCK SCREEN DATE PERFECTED DateSmith PRO delivers what other widget apps don't - a beautifully formatted date display specifically designed for the premium space above your lock screen clock. With reliable midnight updates and customization options, DateSmith PRO enhances your iPhone with information you need at a glance. ABOVE-CLOCK PERFECTION Unlike generic widget apps, DateSmith PRO specializes in the coveted space above your lock screen clock. Our elegant date formats complement your iPhone's design language while delivering essential information at a glance. RELIABLE MIDNIGHT UPDATES DateSmith PRO employs sophisticated background processing technology that ensures your date always updates precisely at midnight - even if your phone is asleep. Say goodbye to yesterday's date lingering on your lock screen! PERSONALIZATION OPTIONS Choose from multiple date format styles or switch to countdown mode to track days until an important event. Make your lock screen truly yours with the perfect date display that fits your needs. MINIMALIST DESIGN We focus on doing one thing perfectly - showing today's date in a clean, elegant format that enhances your lock screen. No clutter, no distractions, just the information you need. KEY FEATURES - Custom date widget designed specifically for the space above your lock screen clock - Multiple widget formats available for home screen and other widget areas - Personalized display with customizable date formats - Countdown mode to track days until important events - Automatic midnight updates with advanced background technology - Simple configuration - set it up once and forget it - One-time purchase - no subscriptions, no recurring fees - Extremely battery efficient design - 100% privacy focused - no data collection, no analytics - No internet connection required - Minimal storage footprint PRIVACY FIRST DateSmith PRO is designed with your privacy in mind. We don't collect any data, require unnecessary permissions, or need an internet connection to function. Your date is your business. SIMPLE SETUP 1. Long press on your lock screen 2. Tap 'Customize' 3. Tap the widget area above the time 4. Find and select the DateSmith PRO widget 5. Tap 'Done' DateSmith PRO - The date widget that works your way.